<style>
  html,
  body {
    margin: 0;
    padding: 0;
    min-height: 100%;
  }

  body {
    background-color: #4158d0;
    background-image: linear-gradient(
      43deg,
      #4158d0 0%,
      #c850c0 46%,
      #ffcc70 100%
    );
    color: #fff;
    font-family: sans-serif;
  }

  main {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
</style>

<main>
  <p>Example HTML Page</p>
</main>
